17thman, we did have a LOT of rain the past two months. Most recently was last week. We also have a lot of dust around, and it gets into everything; it could also be possible that ionized dust particles increase the conductivity of any water present.
Thanks!
Excellent, thanks for such a speedy reply! I'll do my best to find a qualified electrician who can carry out the insulation test here.
If the RCCB was not tripping for a week or so, but now is tripping due to a neutral-earth fault, would that imply the possibility that the neutral and earth...
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